Technical data

Hardware Release Notes

B.5 AlphaServer 8200 and AlphaServer 8400 (Alpha Only)

B.5.2 Environmental Data Restrictions

V7.1-1H1

On AlphaServer 8200 systems, the power regulators do not contain sensors for

environmental conditions. Therefore, data cannot be reported in the thermal and

power supply MIB groups of the DSM System subagent.

On AlphaServer 8400 systems, the power regulators do contain environmental

sensors, but some conﬁgurations may not report environmental information

correctly to the DSM System subagent. This problem affects the thermal and

power supply MIB groups and will be resolved in a future release of the software.

B.6 AlphaStation 255 (Alpha Only)

See Section B.10.2 for a release note about using PowerStorm graphics cards on

an AlphaStation 255.

B.7 DEC 7000 (Alpha Only)

This section contains a release note pertaining to DEC 7000 systems.

B.7.1 Ctrl/P Behavior Change During Boot

V7.1

Starting with OpenVMS Alpha Version 7.1, the remote halt command, issued by

typing Ctrl/P at the system console, does not work during boot until the copyright

banner appears.

In previous versions of OpenVMS, typing Ctrl/P at the system console always

returned the system to the console prompt at any time during the boot.

B.8 DECwindows X11 Display Server (Alpha Only)

This section contains release notes pertaining to the DECwindows X11 display

server for OpenVMS Alpha systems.

B.8.1 Graphics Boards Support

V7.3

You must install Compaq Open3D (Version 4.9A or later) for OpenVMS Alpha to

support the following types of graphics boards on Version 7.3:

• ZLX–M

• ZLX–L

• ZLXp–L

B.8.2 S3 Multihead Graphics

Alpha computers equipped with S3 Trio32 or Trio64 graphics cards support

single-screen display only. Multihead graphics are not supported.

B–10 Hardware Release Notes